Can you solve this real interview question? Set Matrix Zeroes - Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's. You must do it in place [https://en.wikipedia.org/wiki/In-place_algorithm]. Example 1: [
附上代码: 1voidsetZeroes(vector<vector<int>>&matrix) {2intn = matrix.size(), m = matrix[0].size();3int*row = (int*)malloc((n /31+2) *sizeof(int));4int*col = (int*)malloc((m /31+2) *sizeof(int));57for(inti =0; i < n /31+2; i ++) row[i] =0;8for(inti ...
利用matrix的第一行和第一列来记录,第二遍扫描时再根据记录的信息把matrix的元素置0。 classSolution {public:voidsetZeroes(vector<vector<int>>&matrix) {intm=matrix.size(), n=m==0?0:matrix[0].size();boolclear_first_row=false;boolclear_first_col=false;//use the first row and the first co...
void setZeroes(vector<vector<int>>& matrix) { if (matrix.size() == 0) { return ; } // 计算行列为0的标签 int flag_i = -1; int flag_j = -1; for (int i = 0; i < matrix.size(); i++) { vector<int>& line = matrix[i]; for (int j = 0; j < line.size(); j++)...
【摘要】 Leetcode 题目解析之 Set Matrix Zeroes Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. Follow up: Did you use extra space? A straight forward solution using O(m__n) space is probably a bad idea. ...
【LeetCode】Set Matrix Zeroes 解题报告 【题目】 Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place. click to show follow up. Follow up: Did you use extra space? A straight forward solution using O(mn) space is probably a bad idea....
class Solution { public: void setZeroes(vector<vector<int> &matrix) { size_t rows = matrix.size(); size_t columns = matrix[0].size(); if (!rows) return; bool isRowZero = false; bool isColumnZero = false; //判断第一行是否有0 ...
Can you solve this real interview question? Set Matrix Zeroes - Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's. You must do it in place [https://en.wikipedia.org/wiki/In-place_algorithm]. Example 1: [
Memory Usage: 45.6 MB, less than 0.96% of Java online submissions for Set Matrix Zeroes. class Solution { public void setZeroes(int[][] matrix) { int m = matrix.length, n = matrix[0].length; int row0 = 1, column0 = 1;
LeetCode之Set Matrix Zeroes 【题目】 Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place. Follow up: Did you use extra space? A straight forward solution using O(mn) space is probably a bad idea....